Multifunctional large-section hard rock tunnel splitting rod auxiliary mounting device

Abstract

The utility model discloses a multifunctional large-section hard rock tunnel splitting rod auxiliary installation device, which belongs to the technical field of tunnel construction, and comprises a movable base and an auxiliary installation part, and the auxiliary installation part is connected with the movable base through a telescopic arm; a limiting hole for limiting the movement of the splitting rod is formed in the auxiliary mounting part in the construction direction, one end of an opening of the limiting hole faces the construction direction, the other end of the opening of the limiting hole is fixedly connected with the hydraulic telescopic column, and the telescopic end of the hydraulic telescopic column faces the splitting rod. The construction efficiency is greatly improved, and the construction cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel construction technical field relates to a kind of multifunctional large section hard rock tunnel splitting stick auxiliary installation device. BACKGROUND

[0002] With the further movement of the center of gravity of transportation engineering to the west, a large number of rock tunnels have emerged, which has brought great challenges to engineering construction. Among many rock breaking methods, drilling and blasting method is the most widely used due to its mature technology. However, drilling and blasting method has some disadvantages, such as large demand for explosives, long approval time, and great safety hazards in construction. In addition, the application of high-vibration methods such as drilling and blasting method is limited in situations where there are reservoirs, high-voltage towers, important buildings or subways near the construction site. In such cases, drilling and splitting method can be considered for construction. Drilling and splitting method first drills several holes on the surface of the rock mass using a drilling machine. Then, by taking advantage of the fact that the tensile strength of the rock mass is much lower than its compressive strength, other loading equipment is used to expand the rock mass from both sides of the hole, thereby achieving the effect of splitting the rock mass. Drilling and splitting method can effectively avoid the defects of traditional drilling and blasting method, such as large environmental impact and severe construction damage. It fully utilizes the mechanical characteristics of the rock mass itself, and has the advantages of environmental protection, dust-free, noise-free, vibration-free, controllable rock breaking, low cost and good flexibility. It has been effectively applied in rock breaking operations in complex environments. However, due to the immaturity of the drilling and splitting method for tunnel hard rock construction, there are still difficulties in the installation, movement and slag removal of the splitting stick, resulting in low construction efficiency and high engineering cost.

[0003] In summary, there is an urgent need to invent a large section hard rock tunnel splitting stick auxiliary installation and slag removal device to achieve the goals of reducing construction period and saving cost. SUMMARY

[0004] The utility model aims at providing a kind of large section hard rock tunnel splitting stick auxiliary installation and slag removal device, to solve the installation, movement and slag removal of splitting stick in prior art exist difficult, resulting in low construction efficiency, high engineering cost.

[0005] The utility model employs the technical scheme, a kind of multifunctional large section hard rock tunnel splitting stick auxiliary installation device, including mobile base and auxiliary installation part, auxiliary installation part is connected with the mobile base by telescopic arm;Auxiliary installation part is opened in the construction direction with the limiting hole that limits splitting stick movement, limiting hole opening end is towards the construction direction, the other end is fixed with hydraulic telescopic column, and the telescopic end of hydraulic telescopic column is towards splitting stick.

[0006] Further, it further includes a pincer part, the pincer part is connected with the other end of the mobile base by telescopic arm, the pincer part includes a plurality of cross columns with blade tip, and the blade tip is towards its construction direction, the cross column is connected with telescopic arm by the fixed plate where it is.

[0007] Further, the cross column is provided with a hydraulic steel tip towards the pincer part.

[0008] Further, the cross column is a hydraulic cross column, and the distance between the cross columns is adjusted by hydraulic pressure.

[0009] Further, the telescopic end of the hydraulic telescopic column is further fixed with a hydraulic gripper for clamping the splitting rod.

[0010] Further, the hydraulic telescopic column comprises a column body, a hydraulic oil inlet, a hydraulic control one-way valve, a hydraulic cavity, a hydraulic oil outlet and a telescopic column, the telescopic column divides the inner cavity of the column body into multiple cavities through an end surface perpendicular to the column body, the hydraulic oil inlet is communicated with the cavity towards the end surface, and the hydraulic oil outlet is communicated with any one of the other cavities.

[0011] Further, a groove for placing an oil pipe is arranged on the position of the splitting rod relative to the auxiliary base plate to avoid pipeline knotting.

[0012] Further, an expansion plate is fixed above the limiting hole, an auxiliary base plate is arranged at the bottom, and multiple limiting holes for placing the splitting rod are arranged between the expansion plate and the auxiliary base plate.

[0013] Further, the auxiliary mounting part further comprises a working platform for assisting workers in observing the installation position of the splitting rod, and the auxiliary base plate is located on the extension surface of the working platform towards the construction direction.

[0014] Further, the mobile base comprises a caterpillar wheel.

[0015] The multifunctional large-section hard rock tunnel splitting rod auxiliary mounting device has the advantages that the limiting hole is arranged on the auxiliary mounting part, the hydraulic telescopic column is fixed in the limiting hole, and the splitting rod is placed in the telescopic direction of the hydraulic telescopic column, so that when construction is needed, the auxiliary mounting part is moved to the position where the splitting rod is to be placed by the telescopic arm, the splitting rod is accurately moved towards the construction direction by the hydraulic telescopic column fixed in the hole, the installation of the splitting rod in a high position is completed, and after splitting is completed, the blade tip is used as the head, the blade tip is inserted into the crack, clamping, pincering and slagging are performed, the multifunctional large-section hard rock tunnel splitting rod auxiliary mounting device effectively solves the problem that the splitting rod cannot be installed in a high position, greatly improves the construction efficiency, and saves the engineering cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a whole structure schematic view of the multifunctional large-section hard rock tunnel splitting rod auxiliary mounting device according to the embodiment of the utility model;

[0017] Figure 2It is a structure front view of the multifunctional large-section hard rock tunnel splitting rod auxiliary installation device of the embodiment of the utility model;

[0018] Figure 3 It is a structure side view of the multifunctional large-section hard rock tunnel splitting rod auxiliary installation device of the embodiment of the utility model;

[0019] Figure 4 It is Figure 3 The local view of the auxiliary installation part;

[0020] Figure 5 It is Figure 3 The connection schematic view of the auxiliary installation part;

[0021] Figure 6 It is Figure 3 The structure schematic view of the hydraulic telescopic column;

[0022] Figure 7 It is the use flow chart of the embodiment of the utility model;

[0023] In the figure: 1, blade tip;2, hydraulic steel tip;3, cross column;4, mechanical arm;5, cockpit;6, exhaust pipe;7, fuselage;8, track wheel;9, working platform;10, baffle;11, expansion board;12, first hydraulic mechanism;13, auxiliary installation structure;14, rotating shaft;15, second hydraulic mechanism;131, U-shaped hydraulic gripper;132, groove;133, hydraulic telescopic column;134, auxiliary bottom plate;135, auxiliary bottom plate;14, rotating shaft;101, hydraulic oil inlet;102, hydraulic one-way valve;103, hydraulic cavity;104, hydraulic oil outlet;105, telescopic column. DETAILED DESCRIPTION

[0024] The utility model will be explained in detail below in combination with the drawings and specific embodiments, but this should not be understood as the range of the above-mentioned subject matter of the utility model is limited to the following embodiments, and it should be understood that these embodiments are only for explaining the utility model and are not used for limiting the range of the utility model. After reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the range defined by the claims attached to the present application.

[0025] Embodiment 1

[0026] The multifunctional large-section hard rock tunnel splitting rod auxiliary installation device embodiment of the utility model, such as Figure 1As shown, including the base part, auxiliary installation part; wherein the base part includes the fuselage 7 and track wheel 8; track wheel 8 is located below the fuselage, facilitating the device to move and adjust the position. Auxiliary installation part through the mechanical arm and the base part of the fuselage 7 connection; mechanical arm can be bent, elongation, to meet the different height and distance operation requirements.

[0027] Auxiliary installation part includes a work platform 9, the baffle 10 around the work platform 9 is set, the baffle can freely operate its switch, in order for the worker to enter and exit the work platform.

[0028] In the work platform 9 towards the construction direction of the extension set auxiliary floor 135, the work platform 9 and auxiliary floor 135 are in the same horizontal plane, the expansion plate 11 is fixed above the auxiliary floor 135, both of which are close to the construction direction; the expansion plate 11 and the auxiliary floor 135 are spaced apart by the partition plate in the construction direction to form a plurality of limiting holes for limiting the movement of the splitting rod, and an opening is provided at one end of the limiting hole close to the construction direction, which is used to push the splitting rod out of the limiting hole. The other end of the limiting hole is fixed with a hydraulic telescopic column 133, wherein the telescopic direction of the hydraulic telescopic column 133 is towards the splitting rod; as Figure 2 shown,

[0029] In other embodiments, the auxiliary installation part can also be provided as a plurality of limiting grooves towards the construction direction, which is different from the limiting hole formed by the expansion plate 11, auxiliary floor 135 and partition plate in the above embodiment, but can also be fixed with a hydraulic telescopic column 133, and the splitting rod in the limiting groove is pushed into the construction direction by the hydraulic telescopic column 133.

[0030] The baffle 10 of the auxiliary installation part in the device of the embodiment can protect the workers, and the expansion plate 11 can facilitate the workers to further approach the working face, and fine tune the angle and position of the splitting rod.

[0031] As Figure 3 shown, the expansion plate and the work platform 9 are spaced apart and provided with a plurality of auxiliary installation structures 13, as Figure 4 shown, the auxiliary installation structure 13 includes a U-shaped hydraulic gripper 131, a groove 132 and a hydraulic telescopic column 133, as Figure 5 shown, wherein the U-shaped hydraulic gripper 131 is fixed on the telescopic end face of the hydraulic telescopic column 133, and the hydraulic telescopic column 133 is fixed on the auxiliary plate 134 in the auxiliary installation splitting rod structure 13. Each groove 132 is provided at the position of the splitting rod perpendicular to the auxiliary floor 135, and the opening of the groove 132 can place the switch of the splitting rod, so that it is folded and fixed in the groove, avoiding the knot. As Figure 5 shown, wherein the U-shaped hydraulic gripper 131 can grab the tail end of the splitting rod like a human hand under the action of the hydraulic pressure, preventing it from turning and moving, and ensuring the accuracy of installation and removal.

[0032] AsFigure 6 As shown in the figure, the hydraulic telescopic column 133 is composed of a column body, a hydraulic oil inlet 101, a hydraulic control one-way valve 102, a hydraulic cavity 103, a hydraulic oil outlet 104 and a telescopic column 105. The telescopic column 105 divides the inner cavity of the column body into multiple cavities through the end face perpendicular to the column body. The hydraulic oil inlet 101 is in communication with the cavity whose end face is oriented. The hydraulic oil outlet 104 is in communication with the cavity at the position above the hydraulic cavity 103. The hydraulic oil enters the hydraulic cavity 103 through the hydraulic oil inlet 101 and pushes the telescopic column 105 to move under the action of the hydraulic pressure, thereby completing the extension. When retracted, the outlet and the inlet are exchanged. The hydraulic control one-way valve 102 can control the one-way entry of the liquid, thereby controlling the hydraulic pressure, and the hydraulic oil outlet 104 can discharge gas and hydraulic oil and the like, thereby avoiding the waste of power. The principles of the remaining hydraulic mechanisms are the same as those of the hydraulic telescopic column 133. In this embodiment, a second hydraulic mechanism 15 for providing hydraulic power for the hydraulic telescopic column 133 is arranged above the mechanical arm of the auxiliary installation part 13, and the second hydraulic mechanism 15 is connected with the hydraulic telescopic column.

[0033] A rotating shaft 14 is further arranged between the base part and the track wheel 8, so as to realize the steering of the main body part, the pincer part and the auxiliary installation part. The fuselage 7 is designed as a shell, and the inside of the shell can store an engine, a mailbox and the like. The device of this embodiment further comprises a cockpit 5 arranged at the edge of the device, so as to avoid the visual obstruction caused by the pincer part and the auxiliary installation part, thereby improving the accuracy of operation. An exhaust pipe 6 is further arranged above the fuselage 7, which can discharge the exhaust gas generated after the engine is burned, and reduce the noise pollution through the silencer.

[0034] Embodiment 2

[0035] On the basis of embodiment 1, this embodiment further comprises a pincer part, as shown in the figure. Figure 1 As shown in the figure, the pincer part mainly comprises a horizontal column 3, which comprises a blade tip 1. The horizontal column 3 is vertically fixed on a fixed plate, and the fuselage 7 is connected with the fixed plate of the pincer part through a mechanical arm 4. Specifically, the pincer part comprises four horizontal columns 3 with blade tips 1 facing the construction direction. Corresponding hydraulic steel tips 2 are arranged on the opposite surfaces of the upper and lower horizontal columns 3. The hydraulic driving end of the hydraulic steel tip 2 is connected with the hydraulic mechanism 12 arranged above the mechanical arm 4. In addition, the horizontal column 3 can also move up and down under the action of the hydraulic pressure, so as to match the cracks with different hole distances. The driving end thereof is also connected to the first hydraulic mechanism 12.

[0036] The implementation manner of this embodiment is as follows:

[0037] Step one, as shown in the figure, Figure 7As shown, the device is moved to the designated part by the crawler wheel 8, then the auxiliary installation part is placed on the ground by the mechanical arm, the worker puts the splitting rod into the auxiliary installation part, and the tail of the splitting rod is fixed by the U-shaped hydraulic gripper 131 to prevent it from turning and moving, and the pipeline is placed neatly through the slot 132 and connected to the tail of the splitting rod to avoid knotting and crushing.

[0038] Step two, lifting and pushing out. Before the mechanical arm lifts, the worker opens the baffle 10 and enters the working platform 9, then closes the baffle 10, the device in this embodiment aligns the auxiliary installation part with the drill hole by the mechanical arm, and tightly abuts the working face, in addition, the worker entering the working platform 9 communicates with the operator to adjust the position and angle of the auxiliary installation part, the worker moves on the working platform 9 and the expansion plate 11 to adjust the angle and position of the auxiliary splitting rod, after alignment, the hydraulic system is started, and the hydraulic telescopic column 132 is telescoped under the action of the hydraulic pressure to push out the splitting rod and into the drill hole.

[0039] Step three, installation and splitting. The worker enters the working platform 9 and the expansion plate 11 to ensure that the splitting rod is completely aligned with the drill hole and the angle designed in advance is ensured, then the device exits the working face to start the splitting operation.

[0040] Step four, turning and positioning. After the splitting operation is completed, the operator turns by the rotating shaft 14 and aligns the pincer part to the crack for clamping, pinching and slagging.

[0041] Step five, clamping and pinching. The mechanical arm is pushed out, the distance between the cross columns is adjusted in time according to the distance of the crack to ensure that the pincer part can extend into the crack, then the pincer part extends into the crack with the blade tip as the head, and the hydraulic system is started, the hydraulic steel tip extends to split the root of the rock.

[0042] Step six, loading and slagging. The pincer part is tightened under the action of the hydraulic pressure, the rock is pulled out under the action of the mechanical arm, and it can be selected whether to perform preliminary crushing, then the rocks are uniformly loaded into the slagging car and transported away from the scene. After the slagging is completed, the splitting rod is retracted by the hydraulic pressure, and then it goes to the next working face to start the next cycle.

Claims

1. A multifunctional large-section hard rock tunnel splitting rod auxiliary installation device, characterized in that, The mobile base and an auxiliary installation part are connected by a telescopic arm; the auxiliary installation part is provided with a limiting hole in the construction direction to limit the movement of the splitting rod, the limiting hole is open at one end towards the construction direction and fixed with the hydraulic telescopic column at the other end, and the telescopic end of the hydraulic telescopic column faces the splitting rod.

2. The multifunctional large cross-section hard rock tunnel splitting rod auxiliary installation device according to claim 1, characterized in that, The pincer part is connected with the other end of the mobile base by a telescopic arm, the pincer part includes a plurality of horizontal columns with blade tips, and the blade tips face the construction direction, and the horizontal columns are connected with the telescopic arm through the fixed plates.

3. The multifunctional large cross-section hard rock tunnel splitting rod auxiliary installation device according to claim 2, characterized in that, The horizontal columns are provided with hydraulic steel tips towards the pincer part.

4. The multifunctional large cross-section hard rock tunnel splitting rod auxiliary installation device according to claim 3, characterized in that, The horizontal columns are hydraulic horizontal columns, and the distance between the horizontal columns is adjusted by hydraulic pressure.

5. The multifunctional large cross-section hard rock tunnel splitting rod auxiliary installation device according to claim 1, characterized in that, The telescopic end of the hydraulic telescopic column is also fixed with a hydraulic gripper for gripping the splitting rod.

6. The multifunctional large cross-section hard rock tunnel splitting rod auxiliary installation device according to claim 5, characterized in that, The hydraulic telescopic column includes a column body, a hydraulic oil inlet, a hydraulic control one-way valve, a hydraulic cavity, a hydraulic oil outlet, and a telescopic column, the telescopic column divides the inner chamber of the column body into a plurality of chambers through the end face perpendicular to the column body, the hydraulic oil inlet is communicated with the chamber facing the end face, and the hydraulic oil outlet is communicated with any chamber of the other chambers.

7. The multifunctional large cross-section hard rock tunnel wedge bar auxiliary installation device according to claim 1, characterized in that, The position of the splitting rod relative to the auxiliary base plate is provided with a groove for placing the oil pipe to avoid the knot of the pipeline.

8. The multifunctional large cross-section hard rock tunnel wedge bar auxiliary installation device according to claim 1, characterized in that, The limiting hole is fixed with an expansion plate above and provided with an auxiliary base plate at the bottom, the expansion plate and the auxiliary base plate are spaced apart by a partition plate to form a plurality of limiting holes for placing the splitting rod.

9. The multifunctional large cross-section hard rock tunnel wedge bar auxiliary installation device according to claim 8, characterized in that, The auxiliary installation part also includes a working platform for workers to assist in observing the installation position of the splitting rod, and the auxiliary base plate is located in the extension surface of the working platform towards the construction direction.

10. The multifunctional large cross-section hard rock tunnel wedge bar auxiliary installation device according to claim 1, characterized in that, The mobile base includes a track wheel.

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